Loudspeaker



FIG. 1 is a perspective view of the loudspeaker showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof; the bottom plan being identical;

FIG. 4 is a side view thereof; and,

FIG. 5 is a rear view thereof. 

The ornamental design for a loudspeaker, substantially as shown and described. 